CN201803363U - Fluidized bed ignition burner - Google Patents
Fluidized bed ignition burner Download PDFInfo
- Publication number
- CN201803363U CN201803363U CN2010205250833U CN201020525083U CN201803363U CN 201803363 U CN201803363 U CN 201803363U CN 2010205250833 U CN2010205250833 U CN 2010205250833U CN 201020525083 U CN201020525083 U CN 201020525083U CN 201803363 U CN201803363 U CN 201803363U
- Authority
- CN
- China
- Prior art keywords
- burner
- oil
- fluidized bed
- oil gun
- air duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims description 25
- 239000004519 grease Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 69
- 239000000295 fuel oil Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model relates to a fluidized bed ignition burner, which comprises an oil-free ignition burner and an oil gun ignition device. The coordinating running of the oil-free ignition burner and the oil gun ignition device is controlled through manual control or a controller, i.e. the oil gun ignition device is out of service when the oil-free ignition burner is adopted, whereas the oil-free ignition burner is out of service when the oil gun ignition device is adopted. The fluidized bed ignition burner is provided with two sets of ignition devices which can be flexibly regulated; the two sets of ignition devices can be automatically switched and are alternative with each other; one set is the oil-free ignition burner which can realize oil-free ignition and reduces the ignition cost; the other set is a micro oil or oil gun ignition device; when the oil-free ignition burner has faults or the burning effect is poor, the micro oil or oil gun ignition device works to avoid the start-up delay of the unit and improve the system reliability.
Description
Technical field
The utility model discloses a kind of Combustion technology of circulating fluidized, relate in particular to start-up burner on a kind of recirculating fluidized bed bed.
Background technology
In order to save payment for initiation usefulness, large-size circulating fluidized bed unit mostly adopts last, a following associating Starting mode of bed, based on starting ignition under the bed.At present bed is gone up igniting based on fuel oil, and that bed is gone up firing up is slower, and effect is bad, will use great amount of fuel oil like this, brings bigger cost to enterprise.
The last start-up burner of a kind of bed of prior art for example is shown by Fig. 1.As shown in Figure 1, this bed is gone up start-up burner and is comprised secondary wind inlet tube 101, secondary air duct 102, oil gun 103 and air register 104, wherein, secondary wind inlet tube 101 is connected on the secondary air duct 102, the certain angle [alpha] of both central shaft wire clamps (secondary air duct 102 its exit and the angled α of burner hearth be installed on the burner hearth, purpose is to prevent to be deposited in the ignition air duct after the interior material of stove from blowing afloat, and becomes certain inclination angle can make material flow in the stove smoothly; In addition, for arrangement convenience, secondary wind inlet tube 101 also is to be certain inclination alpha when being connected with secondary air duct 102, realizes that secondary wind inlet tube 101 is parallel with burner hearth therefore substantially); Oil gun 103 and air register 104 are arranged on the inside of secondary air duct 102, and oil gun 103 and the 102 coaxial installations of secondary air duct at one end are connected with air register 104.When the startup bed is gone up the burner igniting, spray into fuel oil by oil gun 103, secondary wind feeds the secondary air ducts 102 from secondary wind inlet tube 101, and by reasonable distribution, the supply fuel oil fully burns it to secondary wind under the effect of air register 104.Because bed is gone up the baker weak effect, adopts this scheme will make a last baker process use great amount of fuel oil.
Therefore, propose employing non-oil ignition device such as plasma igniter and carried out upward igniting of bed.But the security and stability of plasma igniting or other non-oil ignition modes itself can not satisfy long-time continual intensification of unit and debugging requirement.
In order to address the above problem, the spy has proposed the utility model.
The utility model content
At above-mentioned technical problem, the purpose of this utility model is, start-up burner on a kind of fluidized bed is provided.
To achieve these goals, the utility model provides start-up burner on a kind of fluidized bed, comprise oilless ignition combustion device such as plasma igniter and grease gun igniting device, by hand-guided or control the coordinated operation of oilless ignition combustion device and grease gun igniting device by controller, promptly the grease gun igniting device is deactivated when adopting the oilless ignition combustion device, and the oilless ignition combustion device is deactivated when adopting the grease gun igniting device.This burner has two cover igniters, and a cover is for the oilless ignition combustion device, and a cover is little oil or grease gun igniting device, and two covering devices are standby each other, controls their coordinated operation by craft or controller, realizes the monitoring and the conversion of its function.
Described oilless ignition combustion device comprises non-oil ignition device such as plasma igniter, burner body and mobile device.Non-oil ignition when utilizing non-oil ignition device such as plasma igniter to realize unit starting is saved enterprise's igniting cost.The non-oil ignition device is installed in the burner body, and burner body is arranged in the secondary air duct of start-up burner on the fluidized bed.The burner body of oilless ignition combustion device can move forward and backward at axial direction by mobile device, with the length in the secondary air duct of control flame start-up burner on fluidized bed, after-flame effect height avoids taking place secondary air duct burning problems again when making its flame enter in the burner hearth.
Preferably, be in igniting during run location at described oil gun device, the exit position of the burner body of described oilless ignition combustion device such as plasma igniter with respect to the position of oil gun device head partially after.
Preferably, the secondary air duct of start-up burner is arranged coaxially on the burner body of oilless ignition combustion device and the fluidized bed, to prevent eccentricity of fire, localized burn secondary air duct.
Described grease gun igniting device comprises little oil or oil gun device, air register, air distribution tube and propulsion plant.Wherein, the air distribution tube is towards the outlet orientation of secondary air duct, and the outlet leading portion of the central axis of air distribution tube and secondary air duct intersects, and angle is controlled in 0-60 ° the scope.Propulsion plant is used to promote oil gun device and enters the operating position or shift out from the operating position, and oil gun device and air register are installed in the air distribution tube, and the air distribution tube is installed on the secondary air duct.Oil droplet ejection directly contacts with secondary air duct inwall for the flame that prevents oil gun burning ejection atomizes bad with oil gun, causes secondary air duct outlet scaling loss, and oil gun head and air register are coaxial with the secondary air duct as far as possible when oil gun device is in the operating position.Preferably, oil gun device is towards the outlet orientation of secondary air duct, oil gun device vertically and the angle of the central axis of secondary air duct be controlled in 0-60 ° the scope.In addition, the air distribution tube is provided with the device that is used to feed sealing wind, prevents that by feed sealing wind in the air distribution tube flame from leaking outside and little oil of anti-channeling scaling loss or oil gun device.
Described controller passes through holding wire or wirelessly is connected with the mobile device of oilless ignition combustion device and the propulsion plant of little oil or grease gun igniting device, be used to control mobile device to realize that the oilless ignition combustion device is in the motion (moving no oil burner thereby mobile device moves burner body) of axial direction be used to control propulsion plant with the propelling of realization oil gun device and shift out, controller is used to control the coordinated operation of two cover igniters: when adopting the oilless ignition combustion device, controller cuts out the oil circuit of grease gun igniting device, the control propulsion plant is withdrawn into home with oil gun device, avoids the scaling loss of air register and Oil gun head; Propulsion plant can adopt forms such as cylinder or motor; When non-oil ignition device such as plasma igniter exist fault or combustion efficiency that problem is arranged, the oil circuit that control device control propulsion plant is pushed into the operating position with oil gun device and opens the grease gun igniting device is lighted a fire, avoid the postponement of starting shipment of unit, improve system reliability.
In a word, good effect of the present utility model is:
Start-up burner has the two cover igniters that can adjust flexibly on this fluidized bed, can switch automatically, two covering devices can be standby each other, and wherein a cover is the oilless ignition combustion device, as plasma igniter, can realize non-oil ignition, reduce the igniting cost, another set of is little oil or grease gun igniting device, when the oilless ignition combustion device exists fault or combustion efficiency that problem is arranged, the postponement of starting shipment of unit is avoided in little oil or the work of grease gun igniting device, improves system reliability.
Description of drawings
Fig. 1 is the signal longitudinal section that a kind of bed of prior art is gone up start-up burner;
Fig. 2 shows the signal longitudinal section of start-up burner on the fluidized bed of the present utility model; And
Fig. 3 is the position view of start-up burner when little oil or the application of grease gun igniting device input on the fluidized bed of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
The structural representation of start-up burner on the fluidized bed that Fig. 2 provides for the utility model.As shown in Figure 2, start-up burner comprises plasma igniter (or other non-oil ignition devices) 201, burner body 202, mobile device 208, little oil or oil gun device 203, air distribution tube 204, air register 205, propulsion plant 206, controller 207, secondary wind inlet tube 101 and secondary air duct 102 on this fluidized bed.Secondary wind enters in the secondary air duct 102 through secondary wind inlet tube 101, for burning provides air, guarantees the fuel after-flame.Wherein, secondary wind inlet tube 101 is connected on the secondary air duct 102, both certain angle [alpha] of central shaft wire clamp, and secondary wind inlet tube 101 tilts towards the Way out of secondary air duct 102.Burner body 202 is coaxial with secondary air duct 102, and is arranged in the secondary air duct 102.Plasma igniter 201 is arranged in the rear portion of burner body 202 coaxially with burner body 202.Below the front end place of burner body 202, secondary air duct 102, air distribution tube 204 is set, in air distribution tube 204, is provided with little oil or oil gun device 203.Little oil or oil gun device 203 1 ends are connected with air register 205, and the other end is connected with propulsion plant 206.This propulsion plant 206 is connected with controller 207 by holding wire.Be provided with the mobile device 208 that is used in axial direction moving forward and backward burner body 202 below burner body 202, mobile device 208 is connected with controller 207 by holding wire.Propulsion plant 206 is connected with controller 207 by holding wire.Controller 207 is analyzed running status, sends control instruction, with the action of control propulsion plant 206, mobile device 208, thus the coordinated operation of realization plasma igniter 208 and little oil or oil gun device 203.
Primary wind and powder is lighted by plasma igniter 201 after flowing in the burner body 202, is perhaps lighted by little oil or oil gun device 203.Detailed process is as described below.
When using plasma igniter 201, controller 207 control propulsion plants 206 withdraw from little oil or oil gun device 203 from certain distance, air register 205 are moved in the air distribution tube 204 fully, to avoid its scaling loss; Propulsion plant 206 can adopt forms such as cylinder or motor.When plasma igniter 201 or burner body 202 exist fault or combustion efficiency that problem is arranged, controller 207 control mobile devices 208 are with burner body 202 recession, and control propulsion plant 206 is pushed into the operating position with little oil or oil gun device 203 and lights a fire, avoid the postponement of starting shipment of unit, improve system reliability.
Certainly, replace controlling automatically, also can adopt manual mode to control the coordinated operation of plasma igniter 201 and little oil or oil gun device 203 by controller 201.
Back (for the flow direction of burner secondary air duct apoplexy powder stream) partially compared in the exit position of burner body 202 with the igniting run location of little oil or oil gun device 203.Burner body 202 can move forward and backward at axial direction by mobile device 208, and the control length of flame secondary air duct 102 in makes flame enter burner hearth after-flame effect height when interior, avoids taking place secondary air duct burning problems again.
In air distribution tube 204, be provided with the device (not shown) that feeds sealing wind, when plasma igniter 201 or other non-oil ignition devices come into operation, prevent that by feeding sealing wind flame from leaking outside and little oil of flame anti-channeling scaling loss or oil gun device 203.
Fig. 3 is that plasma igniter 201 or other oilless ignition combustion devices are out of service, the position view that little oil or oil gun device 203 drop into when using, can see therein, after the position of the relative oil gun device head in exit position of the burner body 202 of described plasma igniter 201 is inclined to one side.
Claims (9)
1. start-up burner on the fluidized bed, comprise oilless ignition combustion device and grease gun igniting device, by hand-guided or control the coordinated operation of oilless ignition combustion device and grease gun igniting device by controller, promptly the grease gun igniting device is deactivated when adopting the oilless ignition combustion device, and the oilless ignition combustion device is deactivated when adopting the grease gun igniting device.
2. start-up burner on the fluidized bed as claimed in claim 1 is characterized in that, described oilless ignition combustion device comprises non-oil ignition device, burner body and mobile device; The non-oil ignition device is installed in the burner body and burner body is arranged in the secondary air duct of start-up burner on the fluidized bed; Mobile device is used for moving burner body at axial direction.
3. start-up burner on the fluidized bed as claimed in claim 2 is characterized in that, is in igniting during run location at described oil gun device, the exit position of the burner body of described oilless ignition combustion device with respect to the position of oil gun device head partially after.
4. start-up burner on the fluidized bed as claimed in claim 2 is characterized in that, the secondary air duct of start-up burner is arranged coaxially on described burner body and the fluidized bed.
5. start-up burner on the fluidized bed as claimed in claim 3, it is characterized in that, described grease gun igniting device comprises oil gun device, air register, air distribution tube and propulsion plant, oil gun device and air register are installed in the air distribution tube, the air distribution tube is installed on the secondary air duct, and propulsion plant is used to promote oil gun device and enters the operating position or shift out from the operating position, when oil gun device was in the operating position, oil gun device head and air register and secondary air duct were arranged coaxially.
6. start-up burner on the fluidized bed as claimed in claim 5, it is characterized in that, the outlet orientation of described air distribution tube secondary air duct of start-up burner on fluidized bed, the outlet leading portion of the central axis of air distribution tube and secondary air duct intersects, and angle is in 0-60 ° scope.
7. start-up burner on the fluidized bed as claimed in claim 5, it is characterized in that, the outlet orientation of described oil gun device secondary air duct of start-up burner on fluidized bed, the central axis angle (β) of the vertical and secondary air duct of oil gun device is in 0-60 ° scope.
8. start-up burner on the fluidized bed as claimed in claim 5 is characterized in that, the air distribution tube is provided with the device that is used to feed sealing wind.
9. as start-up burner on each described fluidized bed in the claim 5 to 8, it is characterized in that, described controller is by holding wire or wirelessly is connected with propulsion plant with mobile device, is used to control mobile device to realize that described burner body is in the motion of axial direction be used to control propulsion plant with the propelling that realizes described oil gun device and shift out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205250833U CN201803363U (en) | 2010-09-08 | 2010-09-08 | Fluidized bed ignition burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205250833U CN201803363U (en) | 2010-09-08 | 2010-09-08 | Fluidized bed ignition burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803363U true CN201803363U (en) | 2011-04-20 |
Family
ID=43872862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205250833U Expired - Lifetime CN201803363U (en) | 2010-09-08 | 2010-09-08 | Fluidized bed ignition burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401372A (en) * | 2010-09-08 | 2012-04-04 | 烟台龙源电力技术股份有限公司 | Bed ignition burner of fluidized bed |
-
2010
- 2010-09-08 CN CN2010205250833U patent/CN201803363U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401372A (en) * | 2010-09-08 | 2012-04-04 | 烟台龙源电力技术股份有限公司 | Bed ignition burner of fluidized bed |
| CN102401372B (en) * | 2010-09-08 | 2013-12-04 | 烟台龙源电力技术股份有限公司 | Bed ignition burner of fluidized bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110420 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |